2 * Samsung S5P G2D - 2D Graphics Accelerator Driver
4 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
5 * Kamil Debski, <k.debski@samsung.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the
10 * License, or (at your option) any later version
18 #define w(x, a) writel((x), d->regs + (a))
19 #define r(a) readl(d->regs + (a))
21 /* g2d_reset clears all g2d registers */
22 void g2d_reset(struct g2d_dev *d)
27 void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f)
31 w(f->stride & 0xFFFF, SRC_STRIDE_REG);
33 n = f->o_height & 0xFFF;
35 n |= f->o_width & 0xFFF;
36 w(n, SRC_LEFT_TOP_REG);
38 n = f->bottom & 0xFFF;
40 n |= f->right & 0xFFF;
41 w(n, SRC_RIGHT_BOTTOM_REG);
43 w(f->fmt->hw, SRC_COLOR_MODE_REG);
46 void g2d_set_src_addr(struct g2d_dev *d, dma_addr_t a)
48 w(a, SRC_BASE_ADDR_REG);
51 void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f)
55 w(f->stride & 0xFFFF, DST_STRIDE_REG);
57 n = f->o_height & 0xFFF;
59 n |= f->o_width & 0xFFF;
60 w(n, DST_LEFT_TOP_REG);
62 n = f->bottom & 0xFFF;
64 n |= f->right & 0xFFF;
65 w(n, DST_RIGHT_BOTTOM_REG);
67 w(f->fmt->hw, DST_COLOR_MODE_REG);
70 void g2d_set_dst_addr(struct g2d_dev *d, dma_addr_t a)
72 w(a, DST_BASE_ADDR_REG);
75 void g2d_set_rop4(struct g2d_dev *d, u32 r)
80 void g2d_set_flip(struct g2d_dev *d, u32 r)
82 w(r, SRC_MSK_DIRECT_REG);
85 u32 g2d_cmd_stretch(u32 e)
91 void g2d_set_cmd(struct g2d_dev *d, u32 c)
93 w(c, BITBLT_COMMAND_REG);
96 void g2d_start(struct g2d_dev *d)
100 /* Enable interrupt */
102 /* Start G2D engine */
103 w(1, BITBLT_START_REG);
106 void g2d_clear_int(struct g2d_dev *d)